/Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Public/MetasoundFrontendQuery.h
Add a step to the query.
[FFrontendQuery](API\Plugins\MetasoundFrontend\FFrontendQuery) & AddStep ( [TUniquePtr](API\Runtime\Core\Templates\TUniquePtr)< [FFrontendQueryStep](API\Plugins\MetasoundFrontend\FFrontendQueryStep) > && InStep )